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    <title>Document</title>
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    <div class="box" >核心</div>
    <div class="box" >核心</div>
    <div class="box" >核心</div>
    <p>p</p>
    <p>p</p>
    <p>p</p>
    <strong>strong</strong>
    <strong>strong</strong>
    <strong>strong</strong>
    <ul>
        <li>列表1</li>
        <li class="red">列表2</li>
        <li>列表3</li>
        <li>列表4</li>
        <li>列表5</li>
    </ul>
    <ul>
        <li>列表1</li>
        <li>列表2</li>
        <li>列表3</li>
        <li>列表4</li>
        <li>列表5</li>
    </ul>
    <div><h3>我是标题</h3></div>
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    <div class="www"><strong>www.woku.com</strong></div>
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